Manny had 53 CDs until he won c more in a contest. Write an expression that shows how many CDs Manny has now.

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Acircle has a circumference of 28.36 units what is the diameter of the circle

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?